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[2a02:3100:aecb:d601:fc34:eb31:14a1:3704]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49988b1d33asm146700145e9.10.2026.08.15.06.07.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Aug 2026 06:07:40 -0700 (PDT) Date: Sat, 15 Aug 2026 15:07:38 +0200 From: Karl Mehltretter To: Marc Zyngier Cc: Oliver Upton , Sascha Bischoff , Paolo Bonzini , Jonathan Corbet , Shuah Khan , Jonathan Cameron , Timothy Hayes , kvmarm@lists.linux.dev, kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Documentation: KVM: Fix the GICv5 KVM_IRQ_LINE PPI range Message-ID: References: <20260815092537.31737-1-kmehltretter@gmail.com> <86wltrzm5n.wl-maz@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <86wltrzm5n.wl-maz@kernel.org> On Sat, Aug 15, 2026 at 11:57:24AM +0100, Marc Zyngier wrote: > > + in-kernel GICv5: PPI, irq_id between 0 and 63 (incl.), and > > No. Please understand the difference between *implementation* and > *architecture*. Got it. That distinction could perhaps be clearer in api.rst, but 0-127 is intentional, not a missed doc update. > > + Userspace must query this attribute after initializing the VGIC with > > + KVM_DEV_ARM_VGIC_CTRL_INIT. > > + > > Must? Why? Userspace can perfectly live with ever querying this. Hah, yes. I meant "if you query this, you must do so after init to get anything other than zero" Please consider this patch withdrawn. Thanks, Karl